With the release of Teamfight Tactics Patch 12.13 on July 13, fans are wondering: what are the three biggest changes to TFT in this patch?

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Earth was once hit by an extreme solar storm that would devastate human civilisation if it happened today, tree rings show. Scientists were able to piece together the solar storm from ancient tree rings that were found in the French alps, and showed evidence of a dramatic spike in radiocarbon levels some 14,300 years ago. That spike was the result of a massive solar storm, the biggest ever found by scientists. If a similar event happened today, it could knock the power grid offline for months and destroy the infrastructure we rely on for communications, scientists have warned. The researchers behind the new study have urged that the extreme nature of the newly discovered event should be a warning for the future. “Extreme solar storms could have huge impacts on Earth. Such super storms could permanently damage the transformers in our electricity grids, resulting in huge and widespread blackouts lasting months,” said Tim Heaton, professor of applied statistics in the School of Mathematics at the University of Leeds. “They could also result in permanent damage to the satellites that we all rely on for navigation and telecommunication, leaving them unusable. They would also create severe radiation risks to astronauts.” Further work is needed to ensure that the world is protected from similar events happening again, scientists said. And more research is required to actually understand how and why they might happen. Scientists have found nine extreme solar storms, or Miayake Events, that happened in the last 15,000 years. The most recent of them happened in the years 993 AD and 774 AD, but the newly found one was twice as powerful as those. Researchers do not know exactly what happened during those Miyake Events, and studying them is difficult because they can only be understood indirectly. That makes it difficult for scientists to know how and when they might happen again, or if it is even possible to predict them. “Direct instrumental measurements of solar activity only began in the 17th century with the counting of sunspots,” said Edouard Bard, professor of climate and ocean evolution at the Collège de France and CEREGE. “Nowadays, we also obtain detailed records using ground-based observatories, space probes, and satellites. “However, all these short-term instrumental records are insufficient for a complete understanding of the Sun. Radiocarbon measured in tree-rings, used alongside beryllium in polar ice cores, provide the best way to understand the Sun’s behaviour further back into the past.”  The largest solar storm that scientists were able to actually observe and study happened in 1859, and is known as the Carrington Event. It caused vast disruption to society, destroying telegraph machines and creating a bright aurora so bright that birds behaved as if the Sun was rising. The Miayake Events like the newly found storm would have been vastly more powerful, however. They were discovered by slicing ancient trees that are becoming fossils into tiny rings, and then analysing the radiocarbon that was present in them. Their work is published in a new article, ‘A radiocarbon spike at 14,300 cal yr BP in subfossil trees provides the impulse response function of the global carbon cycle during the Late Glacial’, in the journal The Royal Society’s Philosophical Transactions A: Mathematical, Physical and Engineering Sciences.

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A teenager is among at least six people killed in Russian airstrikes across Ukraine over the past 24-hour period, local officials said on Sunday. Of these, two people were killed and three were injured in the Kherson area after Russia fired more than 100 shells over the weekend, local governor Oleksandr Prokudin said. Two more people died in the Donetsk area, local officials said. An airstrike in the Kharkiv region killed a 57-year-old man and a 54-year-old woman, and also destroyed their home. A 14-year-old boy was killed in a separate incident after a mine exploded in a field in the Mykolaiv region, interior minister Ihor Klymenko said. Another 12-year-old boy was also injured in the attack. In another separate strike, Russia fired two guided bombs on key infrastructure in Kherson city, causing a partial blackout and disruption to the water supply in the area, the head of the city’s military administration Roman Mrochko said. A total of 27,768 casualties in Ukraine have been recorded since Russia launched its full-scale invasion in February last year, in which 9,806 civilians have been killed and 17,962 have been injured, according to the Office of the UN High Commissioner for Human Rights (OHCHR). Ukraine saw 188 casualties – 66 killed and 122 injured – in just the first week of October, the OHCHR said. It has also warned that the actual figures of casualties are considerably higher. This comes as Kyiv continued with its drone strikes inside Russia, with the Russian defence ministry claiming that Ukraine had launched 27 drones in an overnight attack on western Russia. A total of 18 drones were shot down over the Kursk region as analysts speculated that Ukrainian forces were targeting the nearby Khalino military airfield. The debris of downed drones was seen burning just 1.5km (1 mile) from the air base in images posted on social media. The facility was previously attacked by Ukrainian forces at the end of September. The debris had fallen in the region’s namesake capital and the nearby village of Zorino, Kursk governor Roman Starovoit said on social media. Two more drones were shot down over Russia’s Belgorod region, officials said. Even as the other seven drones remained unaccounted for, Ukrainian media outlets later said that Kyiv’s forces had carried out a successful strike on Russia’s Krasnaya Yaruga electrical substation, close to the Ukrainian border. The reports cited an unnamed source from within Ukraine’s security services and included a video that appeared to show an aerial strike against an unidentified target. This comes at a time fighting has flared up in eastern Ukraine with Russian forces trying to force their way into the Kharkiv region’s Kupiansk city and encircle it, military officials said. Ukrainian forces in the area, defending the territory, faced 10 separate attacks in a span of 24 hours, Illia Yevlash, spokesperson for the Ukrainian military’s eastern forces said on Sunday. “The enemy is trying to attack us in the direction of Kupiansk to encircle it and reach the banks of the Oskol River,” he told Ukrainian television. He said that Ukrainian forces in the town of Lyman in the Donetsk region had also faced heavy attack. Read More Ukraine-Russia war – live: Putin suffers serious losses in largest offensive in months Russia's foreign minister will visit North Korea amid claims of weapons supplied to Moscow Russian governor reported to police for speaking out over Putin’s ‘unnecessary’ war against Ukraine Putin's visit to Beijing underscores China’s economic and diplomatic support for Russia